#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>

int main()
{
	typedef struct
	{
		int a;
		int b;
	}nihao;
	nihao x;
	x.a = 3;
	x.b = 4;
	printf("%d %d", x.a, x.b);
	return 0;
}